Category: GATE Biotechnology Previous Year Papers with Solutions

Q.25 The recognition sequences of four Type-II restriction enzymes (RE) are given below. The symbol (↓) indicates the cleavage site. Identify the RE that generates sticky ends. (A) RE1 – […]

Q.24 Which of the following is NOT used for generating an optimal alignment of two nucleotide sequences? (A) Gap penalties (B) Match scores (C) Mismatch scores (D) Nucleotide composition Which […]

Q.23 Match the microbial product (Column I) with its respective application (Column II). Column I                                […]

Q.22 Terpenoids are made of ___________ units (A) amino acid (B) carbohydrate (C) isoprene (D) triacylglycerol Terpenoids Are Made of Isoprene Units Terpenoids consist of isoprene units, making option (C) […]

Q.21 In animal cells, the endogenously produced miRNAs silence gene expression by (A) base pairing with the 3′-untranslated region of specific mRNAs (B) blocking mRNA synthesis (C) binding to the […]

Q.20 Match the component of eukaryotic cells (Column I) with its respective function (Column II). Column I                            […]

Q.19 Which of the following statements about reversible enzyme inhibitors are CORRECT? P. Uncompetitive inhibitors bind only to the enzyme-substrate complex Q. Non-competitive inhibitors bind only at a different site […]

Q.18 The type of nucleic acid present in λ-phage is (A) Double stranded DNA (B) Single stranded circular DNA (C) Single stranded DNA (D) Single stranded RNA Lambda phage contains […]

Q.17 In binomial nomenclature, the name of a bacterial strain is written with the first letter of ___________ word(s) being capitalized. (A) first (B) second (C) neither (D) first and […]

Q.16 The overall stoichiometry for an aerobic cell growth is: 3C6H12O6 + 2.5NH3 + O2 → 1.5CaHbOcNd + 3CO2 + 5H2O What is the elemental composition formula of the biomass? […]